For the last three years, the defining question inside European law firms was whether to adopt artificial intelligence. Today, that question has largely been answered. New data from the European Law Firms and Legal AI 2026 survey (LTH–Lexpo 2026 Survey), conducted jointly by Legaltech Hub and Lexpo, points to a new, harder question law firms are grappling with: how to turn AI that is already deployed into AI that actually changes the economics of the business.